In which city was president kennedy assassinated

John Fitzgerald Kennedy, the 35th president of the United States, is assassinated while traveling through Dallas, Texas, in an open-top convertible.

Explanation:

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).